513992901 has 16 divisors (see below), whose sum is σ = 691757568. Its totient is φ = 339456000.

The previous prime is 513992873. The next prime is 513992903. The reversal of 513992901 is 109299315.

It is not a de Polignac number, because 513992901 - 2¹⁸ = 513730757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513992901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513992903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262476 + ... + 264426.

It is an arithmetic number, because the mean of its divisors is an integer number (43234848).

Almost surely, 2^513992901 is an apocalyptic number.

It is an amenable number.

513992901 is a deficient number, since it is larger than the sum of its proper divisors (177764667).

513992901 is a wasteful number, since it uses less digits than its factorization.

513992901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 513992901 is about 22671.4115352353. The cubic root of 513992901 is about 801.0366254502.

The spelling of 513992901 in words is "five hundred thirteen million, nine hundred ninety-two thousand, nine hundred one".